package com.team8.verify.utils;

import com.team8.verify.config.MailConfig;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.stereotype.Component;

import java.util.Date;
import java.util.Properties;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

@Component
@EnableConfigurationProperties(MailConfig.class)
public class MailVerification {
	// 收件人地址
	private String recipientAddress;
	// 验证码
	private String info;

	@Autowired
	private MailConfig mailconfig;

	public void sendVerCode(String info, String recipientAddress) throws Exception {

		this.info = info;
		this.recipientAddress = recipientAddress;

		//1、连接邮件服务器的参数配置
        Properties props = new Properties();
        //设置用户的认证方式
        props.setProperty("mail.smtp.auth", "true");
        //设置传输协议
        props.setProperty("mail.transport.protocol", "smtp");
        //设置发件人的SMTP服务器地址
        props.setProperty("mail.smtp.host", "smtp.163.com");
        //2、创建定义整个应用程序所需的环境信息的 Session 对象
        Session session = Session.getInstance(props);
        //设置调试信息在控制台打印出来
        session.setDebug(false);
        //3、创建邮件的实例对象
        Message msg = getMimeMessage(session);
        //4、根据session对象获取邮件传输对象Transport
        Transport transport = session.getTransport();
        //设置发件人的账户名和密码
        transport.connect(mailconfig.getSenderAccount(), mailconfig.getSenderPassword());
        //发送邮件，并发送到所有收件人地址，message.getAllRecipients() 获取到的是在创建邮件对象时添加的所有收件人, 抄送人, 密送人
        transport.sendMessage(msg, msg.getAllRecipients());
        //如果只想发送给指定的人，可以如下写法
        //transport.sendMessage(msg, new Address[]{new InternetAddress("xxx@qq.com")});
        //5、关闭邮件连接
        transport.close();
    }

	/**
	 * 获得创建一封邮件的实例对象
	 * 
	 * @param session
	 * @return
	 * @throws MessagingException
	 * @throws AddressException
	 */
	private MimeMessage getMimeMessage(Session session) throws Exception {
		// 创建一封邮件的实例对象
		MimeMessage msg = new MimeMessage(session);
		// 设置发件人地址
		msg.setFrom(new InternetAddress(mailconfig.getSenderAddress()));
		/**
		 * 设置收件人地址（可以增加多个收件人、抄送、密送），即下面这一行代码书写多行 MimeMessage.RecipientType.TO:发送
		 * MimeMessage.RecipientType.CC：抄送 MimeMessage.RecipientType.BCC：密送
		 */
		msg.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(recipientAddress));
		msg.setRecipient(MimeMessage.RecipientType.CC, new InternetAddress(mailconfig.getSenderAddress()));

		msg.setSubject("航班管理系统验证码", "UTF-8");
		// 设置邮件正文
		msg.setContent("您好，您的验证码是： "  + info + " ,请在30分钟内完成验证！", "text/html;charset=UTF-8");
		// 设置邮件的发送时间,默认立即发送
		msg.setSentDate(new Date());
		return msg;
	}
}